2022/09/21

Melting High Strength Cast Iron in Medium Frequency Induction Furnace

It has become a general trend to replace power frequency furnace and cupola with intermediate frequency furnace, and has created a new way for automobile manufacturing industry to produce high-quality castings. The transmission housing is one of the basic parts of the automobile. It is not only the skeleton of the multi-stage gear, but also can withstand the local large pressure stress caused by the tightening of many high-strength bolts.

2022/09/21

Design principle of induction hardening inductor

Induction heating and quenching inductor is a key heating element that uses eddy current principle to finish surface quenching and strengthening of parts. There are many types of parts for surface heating, and their shapes vary greatly. Therefore, the design forms of sensors are different. Generally, the size of sensors mainly considers the diameter, height, section shape, cooling water path, and spray hole of the induction coil. The design ideas are as follows.

2022/09/07

Good news! Warmly congratulate Henan Weiye New Material Co., Ltd. on being awarded the honorary title of "the 4th Pioneer Enterprise of Auxiliary Materials in China's Foundry Industry".

According to the requirements of the Notice on Carrying out the Selection of the Fourth China's Top 100 Comprehensive Foundry Industry Enterprises and Leading Enterprises in Different Industries (ZGPP [2021] No. 14), the Foundry Engineering magazine organized relevant experts to conduct a comprehensive evaluation of the applicant enterprises according to the evaluation rules and the principles of objectivity, openness, impartiality and fairness. Through the procedures of enterprise registration, preliminary review of materials, expert review, and publicity of selection results, our company was selected as the fourth leading enterprise in the auxiliary materials industry of China's foundry industry. On July 26, Zhu Dandan, the executive director of the company, participated in the awarding ceremony held at the "Seventh National Foundry Industry Innovation and Development Forum and the Ninth Member Congress of China Foundry Association" held in Tianjin.

2022/09/21

Great people also contribute

The pneumonia caused by the new coronavirus infection affects everyone. After the outbreak of the new coronavirus infection, Henan Weiye New Materials Co., Ltd. took the epidemic prevention and control as the current top priority, resolutely implemented the decision and deployment of the CPC Central Committee on epidemic prevention and control and the work requirements of the municipal and district governments, combined with the actual situation, made careful deployment, and let each employee do a good job in epidemic prevention and control.

2022/09/07

Learn the law and use it, improve the company's legal operation level, and help Pingdingshan City establish a model city of the rule of law government

In order to enhance the legal knowledge and legal level of all departments and all employees of the company, improve the level of enterprise contract management, standardize contract management, avoid legal risks in contract signing and performance, enhance the ability of employees to prepare and execute contracts, and ensure the sustainable development of business operation, on the afternoon of April 19, we specially invited professors from the Law School of Pingdingshan University Lawyer Xu Shuangxi, the legal adviser of the CPC Pingdingshan Municipal Committee, conducted a training on legal knowledge related to "economic contracts" for employees of the company.

2022/09/07

Italian Corefon Coatings on the Market

Pingdingshan Weiye Casting Materials Co., Ltd. and Italian Corefon formally signed a cooperation agreement in December 2017, and Pingdingshan Weiye Casting Materials Co., Ltd. became the agent of Italian Corefon's series of casting coatings.

2022/09/07

In the face of the epidemic, great people also contribute

The pneumonia caused by the new coronavirus infection affects everyone. After the outbreak of the new coronavirus infection, Henan Weiye New Materials Co., Ltd. took the epidemic prevention and control as the current top priority, resolutely implemented the decision and deployment of the CPC Central Committee on epidemic prevention and control and the work requirements of the municipal and district governments, combined with the actual situation, made careful deployment, and let each employee do a good job in epidemic prevention and control.

2022/09/21

Solutions to ten common problems in foundry coatings (Part 1)

Some problems often occur in the spraying process of casting coatings. Such as insufficient coating thickness and peeling off. This article will analyze the causes of ten common problems in casting coatings, and introduce solutions.

2022/09/21

Solutions to ten common problems in foundry coatings (Part 2)

The lamination is the superimposed texture produced when the cavity surface is flow coated twice or more times from top to bottom or from left to right.

2022/09/21

Several key control points in front of medium frequency induction furnace for smelting high-strength cast iron

It has become a general trend to replace power frequency furnace and cupola with intermediate frequency furnace, and has created a new way for automobile manufacturing industry to produce high-quality castings. The transmission housing is one of the basic parts of the automobile. It is not only the skeleton of the multi-stage gear, but also can withstand the local large pressure stress caused by the tightening of many high-strength bolts. The casting itself must have high pressure resistance and corrosion resistance, so the casting must not have defects such as looseness and coarse grains, so as to avoid the leakage of oil that plays the role of lubrication and cooling. Traditionally, HT150 or HT200 castings are used as shell materials, and their casting quality cannot meet the requirements of the automobile industry to continuously improve the overall quality. This requires the addition of trace Cr, Mo, Cu and other alloy elements to obtain the high strength of pearlite matrix, which is suitable for the service performance of the shell. In order to produce high strength and high quality cast iron automobile basic parts, it is necessary to use medium frequency induction furnace in casting. In this paper, in the practice of using medium frequency electric furnace to produce high strength cast iron for automobile gearbox housing castings, the quality control in front of the furnace is explored.

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